In a year, a population of lions had four births, two deaths from disease, one natural death, five emigrations, and five immigrations. in the same year, a population of zebras had five births, three deaths, four emigrations, and one immigration. which best explains the data?
a. zebras and lions are both experiencing a negative population growth.
b. zebras and lions are both experiencing a positive population growth.
c. the zebras have a higher population growth than the lions have.
d. the zebras have a lower population growth than the lions have.